﻿//
//Copyright (c) 2007 Novell, Inc (http://www.novell.com)
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
//
//

using System;
using System.ComponentModel;

namespace MonoDevelop.DesignerSupport
{
	partial class ProjectFileDescriptor
	{
		abstract class StandardStringsConverter : TypeConverter
		{
			public override bool GetStandardValuesSupported (ITypeDescriptorContext context)
			{
				return true;
			}

			public override bool CanConvertFrom (ITypeDescriptorContext context, Type sourceType)
			{
				return sourceType == typeof (string) || base.CanConvertFrom (context, sourceType);
			}

			public override bool CanConvertTo (ITypeDescriptorContext context, Type destinationType)
			{
				return destinationType == typeof (string) || base.CanConvertTo (context, destinationType);
			}

			public override object ConvertFrom (ITypeDescriptorContext context,
												System.Globalization.CultureInfo culture, object value)
			{
				if (value != null && value is string)
					return value;
				else
					return base.ConvertFrom (context, culture, value);
			}

			public override object ConvertTo (ITypeDescriptorContext context, System.Globalization.CultureInfo culture,
											  object value, Type destinationType)
			{
				if (value != null && (destinationType == typeof (string)))
					return value;
				else
					return base.ConvertTo (context, culture, value, destinationType);
			}

			public override StandardValuesCollection GetStandardValues (ITypeDescriptorContext context)
			{
				return new StandardValuesCollection (GetStandardStrings (context));
			}

			public abstract System.Collections.ICollection GetStandardStrings (ITypeDescriptorContext context);
		}
	}
}
